Potassium is a type of mineral called an electrolyte. Other electrolytes include sodium, calcium, and magnesium. Hypokalemia. Low potassium levels in your blood can cause weakness, fatigue, and abnormal heart rhythms.
Potassium is a type of mineral called an electrolyte. Other electrolytes include sodium, calcium, and magnesium. Hypokalemia. Low potassium levels in your blood can cause weakness, fatigue, and abnormal heart rhythms.